Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Image forming apparatus having a rotatable first developing member, and a fixed second developing member having a housing partially covering the first developing member

Image forming apparatus having a rotatable first developing member, and a fixed second developing member having a housing partially covering the first developing member

US Patent 6047149 · Granted Apr 4, 2000

Estimated economic value: $370,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Viewing assistance system, viewing assistance method, and nonvolatile recording 2025
Sewing machine external unit2025
Laminated glass2025
Power tool2025
Optical component2025
Heat storage device2025
Image forming apparatus configured to determine whether or not a roller member h2025
Electrostatic chuck and substrate fixing device2025
Motorcycle2024
Optical transmitter, optical communication system, and optical communication met2024
Base plate and substrate fixing device2024
Supercooling release device, heat storage device and power unit2024